[Koha-bugs] [Bug 8773] Add per-instance koha-index-daemon in .deb setup
bugzilla-daemon at bugs.koha-community.org
bugzilla-daemon at bugs.koha-community.org
Mon May 20 17:51:14 CEST 2013
http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=8773
Tomás Cohen Arazi <tomascohen at gmail.com> changed:
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--- Comment #29 from Tomás Cohen Arazi <tomascohen at gmail.com> ---
Created attachment 18258
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http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=18258&action=edit
Bug 8773 - Start per-instance koha-index-daemon in .deb setup
Short:
Launch a koha-index-daemon (from Koha::Contrib::tamil) process for each
enabled instance. Enabling/disabling the use of the indexer is handled
using a new(ly introduced) /etc/default/koha-common config file that
can be used for other stuff too, and is the Debian way of handling
init scripts control variables[1].
Long:
Using an indexing daemon avoids launching a new interpreter each time
the cron triggers the indexing, and also allows sub-minute incremental
reindexing, a requirement from our librarians.[2]
Using the indexer daemon should remain "experimental" so is disabled by
default. To enable the use of the indexer the user has to tweak the
/etc/default/koha-common config file (introduced by this patch). Specifically
the USE_INDEXER_DAEMON variable, which is clearly explained in the file.
Update frecquency defaults to 30 sec, and can be changed by tweaking the
/etc/default/koha-common config file too.
This patch relies on Koha::Contrib::Tamil's koha-index-daemon script [3],
but could be easily adjusted to use another if we got a new one (SolR?).
As Robin proposed it check for availability of the relevant files before
trying to spawn the daemon.
If there's something I could change to make this patches better just let me
know.
Note: there was a problem Robin found regarding the spawned processes
forgetting
the PERL5LIB and/or KOHA_CONF env variables, this is fixed in this version
with the inclusion of the 'export' keyword for the relevant variables.
Regards
To+
[1] Section 9.3.2 of http://www.debian.org/doc/debian-policy/ch-opersys.html
[2] This is the .deb version of
http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=8519
[3] The default cronjob that is set using the debian/koha-common.cron.d file
is being disbaled by this patch to avoid collision.
Sponsored-by: Universidad Nacional de Córdoba
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